, and then the cities will fall." and huawei seems to be following that maoist strategy. >> kroft: in the last couple of years, huawei has managed to install and maintain a handful of networks in u.s. rural markets, including a vast quadrant of southwestern kansas. craig mock is the president and general manager of united wireless, based in the historic cowboy town of dodge city. >> craig mock: we're trying to reach out as far as we can into rural areas. >> kroft: mock told us the new huawei network delivers some of the fastest internet speeds in the country. but last spring, after the deal had been signed with huawei, mock received an unwelcome visit from two federal agents. who were they, intelligence people? >> mock: not going to say. >> kroft: why did they come out here? >> mock: i think they would've preferred that we bought equipment from somebody else. >> kroft: what was your reaction? were you upset that they came out? >> mock: i was not pleased. >> kroft: because? >> mock: because i saw it as interference in